ITEM NAME:2PCS ZP20A 20AMP Power Stud Silicon Rectifier Diode 1cm Electrical eEquipment 2PCS ZP20A 20AMP Power Stud Silicon Rectifier Diode SPECIFICATIONS.(2PCS ZP20A 20AMP Power Stud Silicon Rectifier Diode. Item included: 2 x Rectifier Diode. Material: Silicon & Copper. 3) Hexagon base, strong heat dissipation capacity. Condition: 100% new.